chore(deps): update helm release mimir-distributed to v6

Author: timtor-bot

kubernetes/mimir/mimir.yaml

@@ -22,7 +22,7 @@ spec:
         kind: HelmRepository
         name: grafana
       chart: mimir-distributed
-      version: 5.0.0
+      version: 6.0.3
   interval: 1h
   maxHistory: 1
   values: